[....] Starting enhanced syslogd: rsyslogd[ 12.454806] audit: type=1400 audit(1513581828.026:5): avc: denied { syslog } for pid=2995 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 17.011186] audit: type=1400 audit(1513581832.582:6): avc: denied { map } for pid=3134 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added 'ci-upstream-mmots-kasan-gce-4,10.128.15.233' (ECDSA) to the list of known hosts. executing program [ 36.451792] audit: type=1400 audit(1513581852.023:7): avc: denied { map } for pid=3152 comm="syzkaller883562" path="/root/syzkaller883562419" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 36.453651] WARNING: CPU: 0 PID: 3152 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770 [ 36.453660] Kernel panic - not syncing: panic_on_warn set ... [ 36.453660] [ 36.453667] CPU: 0 PID: 3152 Comm: syzkaller883562 Not tainted 4.15.0-rc2-mm1+ #39 [ 36.453671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.453675] Call Trace: [ 36.453685] dump_stack+0x194/0x257 [ 36.453694] ? arch_local_irq_restore+0x53/0x53 [ 36.453706] ? vsnprintf+0x1ed/0x1900 [ 36.453717] panic+0x1e4/0x41c [ 36.453724] ? refcount_error_report+0x214/0x214 [ 36.453730] ? show_regs_print_info+0x18/0x18 [ 36.453743] ? __warn+0x1c1/0x200 [ 36.453753] ? __wake_up_common+0x433/0x770 [ 36.453758] __warn+0x1dc/0x200 [ 36.453764] ? __wake_up_common+0x433/0x770 [ 36.453773] report_bug+0x211/0x2d0 [ 36.453786] fixup_bug.part.11+0x37/0x80 [ 36.453793] do_error_trap+0x2d7/0x3e0 [ 36.453804] ? math_error+0x400/0x400 [ 36.453812] ? check_noncircular+0x20/0x20 [ 36.453818] ? save_stack_trace+0x1a/0x20 [ 36.453824] ? __lock_acquire+0x324e/0x47f0 [ 36.453834] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 36.453845] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.453857] do_invalid_op+0x1b/0x20 [ 36.453863] invalid_op+0x22/0x40 [ 36.453869] RIP: 0010:__wake_up_common+0x433/0x770 [ 36.453873] RSP: 0018:ffff8801c55d7648 EFLAGS: 00010246 [ 36.453880] RAX: 0000000000000000 RBX: ffff8801dadc1e50 RCX: 0000000000000004 [ 36.453884] RDX: 1ffffffff0c59731 RSI: ffff8801dadc1e68 RDI: 0000000000000282 [ 36.453887] RBP: ffff8801c55d7748 R08: ffff8801c55d7858 R09: 0000000000000000 [ 36.453891] R10: 000000000000000b R11: ffffed0038abae48 R12: 0000000000000000 [ 36.453895] R13: ffff8801dadc1e00 R14: 0000000000000001 R15: ffff8801c55d7858 [ 36.453915] ? __wake_up_common+0x42b/0x770 [ 36.453927] ? do_wait_intr_irq+0x3e0/0x3e0 [ 36.453938] ? __kernel_text_address+0xd/0x40 [ 36.453945] ? check_noncircular+0x20/0x20 [ 36.453960] __wake_up_locked_key+0x16/0x20 [ 36.453967] userfaultfd_release+0x4da/0x750 [ 36.453975] ? free_fs_struct+0x52/0x60 [ 36.453986] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 36.453992] ? fsnotify+0x7b3/0x1140 [ 36.454011] ? fsnotify_first_mark+0x2b0/0x2b0 [ 36.454022] ? __might_sleep+0x95/0x190 [ 36.454031] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 36.454038] __fput+0x333/0x7f0 [ 36.454050] ? fput+0x140/0x140 [ 36.454059] ? _raw_spin_unlock_irq+0x27/0x70 [ 36.454071] ____fput+0x15/0x20 [ 36.454078] task_work_run+0x199/0x270 [ 36.454088] ? task_work_cancel+0x210/0x210 [ 36.454095] ? _raw_spin_unlock+0x22/0x30 [ 36.454102] ? switch_task_namespaces+0x87/0xc0 [ 36.454113] do_exit+0x9bb/0x1ae0 [ 36.454121] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.454130] ? mm_update_next_owner+0x930/0x930 [ 36.454135] ? lockdep_init_map+0x3d/0x70 [ 36.454144] ? debug_mutex_init+0x2d/0x60 [ 36.454156] ? find_held_lock+0x39/0x1d0 [ 36.454173] ? lock_downgrade+0x980/0x980 [ 36.454183] ? get_unused_fd_flags+0x190/0x190 [ 36.454200] ? __lock_is_held+0xbc/0x140 [ 36.454218] ? __fd_install+0x288/0x740 [ 36.454228] ? get_unused_fd_flags+0x190/0x190 [ 36.454236] ? alloc_file+0x284/0x3a0 [ 36.454241] ? _raw_spin_unlock+0x22/0x30 [ 36.454251] ? anon_inode_getfile+0x349/0x490 [ 36.454260] ? compat_SyS_epoll_pwait+0x4f0/0x4f0 [ 36.454272] ? kmem_cache_alloc+0x469/0x760 [ 36.454279] ? vfs_write+0x22a/0x510 [ 36.454289] do_group_exit+0x149/0x400 [ 36.454298] ? SyS_exit+0x30/0x30 [ 36.454305] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.454313] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.454323] SyS_exit_group+0x1d/0x20 [ 36.454330] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 36.454334] RIP: 0033:0x43e848 [ 36.454338] RSP: 002b:00007ffc922aa118 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 36.454345] RAX: ffffffffffffffda RBX: 00000000006ca800 RCX: 000000000043e848 [ 36.454348] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 36.454352] RBP: 00000000000014b1 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 36.454356] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000006ca858 [ 36.454359] R13: 00000000006ca858 R14: 0000000000000000 R15: 0000000000002710 [ 36.477672] Dumping ftrace buffer: [ 36.477707] (ftrace buffer empty) [ 36.477711] Kernel Offset: disabled [ 36.882996] Rebooting in 86400 seconds..